Bomb Jack
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Display
Type: raster Vertical
Resolution: 256 x 224
Refresh: 59.19 Hz
Processors
Zilog Z80 @ 4 MHz
Zilog Z80 @ 3 MHz
Audio
AY-3-8910A PSG @ 1.5 MHz
AY-3-8910A PSG @ 1.5 MHz
AY-3-8910A PSG @ 1.5 MHz
Channels: 1
Controls
Players: 2
Coin slots: 2
joy, 8-way, 1 button
joy, 8-way, 1 button
Components (from manual)
Z80A CPU · Multiple locations · Main processors
AY-3-8910 Sound · Multiple locations · Sound generators
2732 Memory · Multiple locations · EPROM
2148 Memory · Multiple locations · Static RAM
2716 Memory · Multiple locations · EPROM
74LS138 Logic · Multiple locations · 3-to-8 decoder
74LS273 Logic · Multiple locations · Octal D flip-flop
74LS245 Logic · Multiple locations · Octal bus transceiver
74LS32 Logic · Multiple locations · Quad OR gate
74LS04 Logic · Multiple locations · Hex inverter
74LS08 Logic · Multiple locations · Quad AND gate
74LS74 Logic · Multiple locations · Dual D flip-flop
74LS157 Logic · Multiple locations · Quad 2-to-1 multiplexer
Z80 CPU · Main processor
2764 Memory · 8KB EPROM
6116 Memory · 2KB Static RAM
2114 Memory · 1KB Static RAM
74LS138 Logic · 3-to-8 decoder
74LS245 Logic · Octal bus transceiver
74LS374 Logic · Octal D-type flip-flop
74LS244 Logic · Octal buffer/line driver
74LS139 Logic · Dual 2-to-4 decoder
74LS32 Logic · Quad 2-input OR gate
74LS08 Logic · Quad 2-input AND gate
74LS04 Logic · Hex inverter
74LS74 Logic · Dual D-type flip-flop
AY-3-8910 Audio · Programmable sound generator
93422 Video · Video timing generator
Tehkan custom Custom · Various custom Tehkan ICs for video processing
PCBs (from manual)
Main PCB
CPU and game logic board
CPU and game logic board
Video PCB
Graphics and video generation board
Graphics and video generation board
Sound PCB
Audio processing board
Audio processing board
DIP Switch Settings
Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more
| Switch | Setting | Options | Default |
|---|---|---|---|
| SW1:1, SW1:2 | Coin A | SW1:1 SW1:2ON ON 1 Coin/1 Credit ✱OFF ON 1 Coin/2 CreditsON OFF 1 Coin/3 CreditsOFF OFF 1 Coin/6 Credits | 1 Coin/1 Credit |
| SW1:3, SW1:4 | Coin B | SW1:3 SW1:4OFF ON 2 Coins/1 CreditON ON 1 Coin/1 Credit ✱ON OFF 1 Coin/2 CreditsOFF OFF 1 Coin/3 Credits | 1 Coin/1 Credit |
| SW1:5, SW1:6 | Lives | SW1:5 SW1:6OFF OFF 2ON ON 3 ✱OFF ON 4ON OFF 5 | 3 |
| SW1:7 | Cabinet | OFF Upright ✱ON Cocktail | Upright |
| SW1:8 | Demo Sounds | ON OffOFF On ✱ | On |
| SW2:1, SW2:2, SW2:3 | Bonus Life (Unused) | SW2:1 SW2:2 SW2:3ON OFF ON Every 30kOFF ON ON Every 100kOFF OFF OFF 50k, 100k and 300kOFF ON OFF 50k and 100kOFF OFF ON 50k onlyON OFF OFF 100k and 300kON ON OFF 100k onlyON ON ON None ✱ | None |
| SW2:4, SW2:5 | Bird Speed | SW2:4 SW2:5ON ON EasyOFF ON MediumON OFF Hard ✱OFF OFF Hardest | Hard |
| SW2:6, SW2:7 | Enemies Number & Speed | SW2:6 SW2:7OFF ON EasyON ON MediumON OFF Hard ✱OFF OFF Hardest | Hard |
| SW2:8 | Special Coin | ON Easy ✱OFF Hard | Easy |